504451421672 has 16 divisors (see below), whose sum is σ = 1031832453600. Its totient is φ = 229296100720.

The previous prime is 504451421627. The next prime is 504451421681. The reversal of 504451421672 is 276124154405.

It is a happy number.

It is a super-4 number, since 4×504451421672⁴ (a number of 48 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2866201172 + ... + 2866201347.

It is an arithmetic number, because the mean of its divisors is an integer number (64489528350).

Almost surely, 2^504451421672 is an apocalyptic number.

It is an amenable number.

504451421672 is an abundant number, since it is smaller than the sum of its proper divisors (527381031928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

504451421672 is a wasteful number, since it uses less digits than its factorization.

504451421672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732402536 (or 5732402532 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 504451421672 in words is "five hundred four billion, four hundred fifty-one million, four hundred twenty-one thousand, six hundred seventy-two".